PBS

Hubble finds proof that the universe is expanding

The two keys to Edwin Hubble's breakthrough discovery were forged by others in the 1910s. The first key, the period-luminosity scale discovered by Henrietta Leavitt, allowed astronomers to calculate ...
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She worked with Edwin Hubble at Harvard for 30 cents an hour and shaped the view of universe as we know it, yet never won a Nobel Prize

More than a century ago, in a quiet corner of the Harvard College Observatory, a woman sat for hours examining tiny specks on glass photographic plates. These dots, captured from the night sky, would ...
Phys.org

Is Earth inside a huge void? 'Sound of the Big Bang' hints at possible solution to Hubble tension

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than in neighboring regions of the universe, astronomers say. Their theory is a ...
The Washington Post

Hubble telescope zooms in on the galaxy next door. Explore it like never before.

Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. The Andromeda galaxy is the galaxy next door, a very faint, fuzzy thing ...